General

  • Target
    85f05595c757c694136ceecaab4ef1a9_JaffaCakes118
  • Size 142KB
  • Sample240531-esfl8sff89
  • SHA256 989453998eb96a29b42a09855a8733715faa3cf4e9110e7e0377a703763a0bf0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • 43.231.4.7

  • lazystax.ru

Targets

    • Target
      85f05595c757c694136ceecaab4ef1a9_JaffaCakes118
    • Size 142KB
    • SHA256 989453998eb96a29b42a09855a8733715faa3cf4e9110e7e0377a703763a0bf0
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks